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| Number | Title | Issue Date |
| 7337703 | Modular breaching apparatus Modular breaching apparatus including a plurality of breaching elements, each breaching element being formed with a groove for receiving therein a flexible explosive element capable of producing an explosive force sufficient for breaching a structure, wherein each b... | 03/04/2008 |
| 7273011 | Structure of a projectile A projectile casing is designed to insure proper operation of the charges located therein. The charges are spaced by spacer tubes constructed such that the tubes are dispersed radially after the detonation of the preliminary charge without adversely affecting the ef... | 09/25/2007 |
| 6962202 | Casing conveyed well perforating apparatus and method Disclosed is a casing conveyed perforating apparatus and method for externally perforating a wellbore casing. The perforating apparatus is attached to the outside of the casing and is conveyed along with the casing when it is inserted into the wellbore. The perforat... | 11/08/2005 |
| 6959893 | Light fighter lethality seeker projectile A projectile comprises an imaging seeker at a front of the projectile; a front warhead behind the imaging seeker; a power supply; an electronics unit connected to the power supply and comprising a microprocessor circuit board, a voltage regulator circuit board, an i... | 11/01/2005 |
| 6945088 | Multi-fragment impact test specimen A multiple fragment impact test specimen, and a method for using it in multiple fragment impact tests against a target, is disclosed. The test specimen comprises two or more fragments fixed to one or more connecting members so that the fragments are held at a fixed ... | 09/20/2005 |
| 6923122 | Energetic material initiation device utilizing exploding foil initiated ignition system with secondary explosive material A device and method that employs a detonation event as an energy source for producing a pyrotechnic output. The device includes an initiation charge that is selectively detonated by an exploding foil initiator. Byproducts from the detonation event are attenuated by ... | 08/02/2005 |
| 6443068 | Ammunition body, a method for inserting, and its use Hollow charges are often used for combating moving, lightly armored targets and do not fulfill their task due to relatively small effective charges which arrive at the target. When using blasting charges for civilian purposes, large borings must often be ... | 09/03/2002 |
| 6032583 | Ammunition unit in the form of a shell The present invention relates to an ammunition unit in the form of a shell or the like, with at least two warheads connected via a supporting structure. In order to prevent the impact from the first activated warhead reaching the warheads situated to the ... | 03/07/2000 |
| 5952604 | Shell with multi-charges A joint for a shell with at least a first charge unit and a second charge unit arranged in series one after the other is provided. The charge units include one shaped charge each. The charges are designed to be detonated one after the other with a time se... | 09/14/1999 |
| 5859383 | Electrically activated, metal-fueled explosive device The present invention relates to an innovative, safe, explosive device. The device has many potential fields of utility, including, but not limited to mining, oil exploration, seismology, and particularly to shaped charges. These shaped charges may be use... | 01/12/1999 |
| 5780766 | Guided missile deployable as mortar projectile A guided missile which can be fired as a mortar projectile with armour-piercing hollow-charge warhead behind a seeking head for autonomous or semi-autonomous final phase guidance is to be capable of use for universal use from the same mortar weapon select... | 07/14/1998 |
| 5750917 | Warhead In a tandem warhead, the preliminary shaped charge (5) is arranged at the front end of a spacer (9) which is displaceable toward the front in a guide (12) provided in the preliminary structure (13) of the warhead. Shearing pins (14) are provided for fixin... | 05/12/1998 |
| 5621185 | Warhead The warhead comprises a preliminary shaped charge, a coaxial main shaped charge which is arranged at a distance from the latter, and an arrangement for increasing the axial distance between the preliminary shaped charge and the main shaped charge, which a... | 04/15/1997 |
| 5614692 | Shaped-charge device with progressive inward collapsing jet In a shaped-charge device, the liner is so shaped that bulges are formed in the jet without causing the jet to deviate from the central axis. The shaped-charge device includes a case defining an axisymmetrical forwardly-opening cavity uniformly disposed a... | 03/25/1997 |
| 5565647 | Warhead with sequential shape charges This invention involves a warhead, for use against armor containing several reactive stages, specifically, an anti-tank warhead, of a type comprising shape charges acting sequentially from front to rear and separated by protective elements. It includes: a... | 10/15/1996 |
| 5561261 | Tandem warhead with a secondary projectile The present invention relates to a tandem warhead with a secondary projectile. An explosives gas protector shields the secondary projectile with respect to a hollow charge located in front of the secondary projectile, and wherein the housing possesses a c... | 10/01/1996 |
| 5415105 | Tandem warhead with piezoelectric percussion fuses The invention relates to a tandem warhead with a preliminary charge (1) and a main charge (2) respectively each with an associated fuse (3, 4). So that on ignition two fuses (3, 4) which are completely identical can be used, piezoelectrical percussion fuses (3... | 05/16/1995 |
| 5394804 | Explosive device with a hollow charge, designed for penetrating armor protected by active primary armor An explosive device with a hollow charge of the type including a main warhead with a wave shaper and a primary warhead for the penetration of active primary armor. The primary warhead comprises a hollow charge provided at the apex of the main warhead and ... | 03/07/1995 |
| 5377594 | Flexible linear explosive cutting or fracturing charge The invention provides a linear explosive cutting or fracturing charge comprising a plurality of elements connected together for articulation. Each element comprises a body portion (1) defining a recess (9) for containing explosive material and connecting... | 01/03/1995 |
| 5370055 | Three-phase hypervelocity projectile launcher A hypervelocity projectile launcher for use in perforating borehole casings provides improved penetration into the surrounding rock structure. The launcher includes a first cylinder of explosive material that defines an axial air-filled cavity, a second c... | 12/06/1994 |
| 5247887 | Dynamic method for enhancing effects of underwater explosions An explosive charge for underwater use comprising a shaped charge behind a ain charge. The shaped charge is detonated, propelling a jet from the liner of the shaped charge through a tube extending through the main charge. When the jet passes through the wa... | 09/28/1993 |
| 5198615 | Fuzing system for tandem demolition warheads A fuzing system for use in operating tandem demolition warheads to sequentially activate a propellant on the rear of a follow through charge, detonate a forward shaped charge and detonate the follow through charge after a brief delay. An interface charge ... | 03/30/1993 |
| 5166469 | Delay fuse for sequentially detonating shaped charges A delay fuse for a warhead (1) including at least two charges (3, 8) for sequential detonation disposed inside a casing (2). The delay fuse comprises a screen (6) movable in a longitudinal axial direction inside the casing (2) and under the effect of the ... | 11/24/1992 |
| 5111746 | Multiple stage munition A munition and method for making a borehole in a target and for placement an explosive unit in the borehole. The munition includes an outer body having a chamber, an inner body disposed in the chamber and having a cavity, a piston disposed in the cavity ... | 05/12/1992 |
| 5090324 | Warhead A warhead (10') which includes a shaped or projectile forming charge in the form of a liner (14) of a multi-phase metallic material or a metal-metal laminate. To prevent the liner (14) from being destroyed by the incoming shock wave and make impossible th... | 02/25/1992 |
| 5044280 | Linear hollow charge devices The device (10) consists of a bar (12) of high explosive having a planisymmetrical groove (20) along one side lined with a hollow charge liner (28). A pair of backing charges (34, 36) connected by a bridging charge (42) are disposed along the opposite sid... | 09/03/1991 |
| 5038683 | High explosive assembly for projecting high velocity long rods A high explosive assembly and a method are disclosed for projecting a long od at high velocity with enhanced penetrating energy. The high explosive assembly has an elongated core of a first high explosive having a first Chapman-Jouguet detonation velocity,... | 08/13/1991 |
| 4955939 | Shaped charge with explosively driven liquid follow through Disclosed is a non-fragmenting explosive device for perforating a target injecting a material through the perforation to disrupt structure behind the target. The device is particularly adapted to safely disarm unexploded explosive devices such as bombs ... | 09/11/1990 |
| 4949642 | Funnel or bowl shaped insert for hollow charges and method and mould for its production The funnel- or bowl-shaped insert for hollow charges consists of a hollow body (10) which is produced and shaped from a copper monocrystal obtained through crystal growth. The growth orientation is the (111) main orientation. It coincides with the longitu... | 08/21/1990 |
| 4901619 | Shaped charge with barrier produced in situ In the inventive shaped charge, the main charge and the propagating charge are held together solely by the barrier. This union is possible (and is distinguished by pronounced freedom from flaws) because the barrier is produced directly in the cavity in wh... | 02/20/1990 |
| 4854240 | Two-stage shaped charge projectile A two-stage, shaped charge projectile having a rear principal charge and a front secondary smaller charge with an initiator-fuse assembly for sequentially igniting the secondary and principal charges so that the secondary charge is first ignited, followed... | 08/08/1989 |
| 4729318 | Explosive plane-wave lens An explosive plane-wave air lens which enables a spherical wave form to be converted to a planar wave without the need to specially machine or shape explosive materials is described. A disc-shaped impactor having a greater thickness at its center than aro... | 03/08/1988 |
| 4714022 | Warhead with tandem shaped charges A warhead designed for employment against a target having active armor protection comprises a forward shaped charge and a rear shaped charge. The forward shaped charge generates a core explosion whose speed is below 2,500 meters per second, and thus does ... | 12/22/1987 |
| 4696234 | Device for destroying water mines and mine-sweeping method This invention relates to an apparatus for destroying sea mines, especially anchored cable mines, and to an improved mine-sweeping method. The apparatus consists of an active device and upthrust mechanisms which permit the active device to climb up the an... | 09/29/1987 |
| 4693181 | Linear cutting charge The application discloses improvements in hollow charges for linear cutting or demolition purposes wherein a bar formed from a composite of explosive material and a first pliant material has a V-shaped groove with a liner formed from a composite of partic... | 09/15/1987 |
| 4606272 | Initiation delay system for warheads with tandem mounted shaped charges The technical area of this invention is initiation delay mechanisms for warheads carrying two tandem-mounted shaped charges. With this invention the initiation delay mechanism consists of using the movement of a screen placed between the forward charge 1 and t... | 08/19/1986 |
| 4541342 | Pyrotechnic device with metal diaphragm and metal insert In order to initiate a low explosive (pyrotechnic) mixture with a high explosive detonator, a metal diaphragm preferably of aluminium alloy is interposed between the detonator and the mixture. The diaphragm interacts with the detonation wave so that it in... | 09/17/1985 |
| 4519313 | Charge holder The present invention comprises a high-density perforating gun in which the shaped charges carried thereby are oriented so that the jets emanating therefrom substantially intersect the axis of the gun. The shaped charges may be vertically spaced by a dist... | 05/28/1985 |
| 4493260 | Annular shaped charge for breaching masonary walls A shaped charge and method of breaching reinforced masonary walls is disced. The shaped charge includes an annular liner located centrally between the ends of a cylindrical container filled with explosive. The device is placed in a pilot hole in the wall... | 01/15/1985 |
| 4466353 | High velocity jet shaped charge Two sections of explosives are utilized in a shaped charged device to first accelerate liner material to high velocity and secondly to collapse the moving liner on a projectile's longitudinal axis to produce a high velocity jet and slug. The apparatus uti... | 08/21/1984 |
